    union {
        int16_t int1666;
        uint16_t unit1666;
        uint8_t c[2];
    }bit16Parse;

    union {
        int32_t int32222;
        uint32_t unit3222;
        uint16_t uin16bit[2];
        int16_t  in16bit[2];
        uint8_t c[4];
    }bit32Parse;